diff --git a/curriculum/challenges/english/25-front-end-development/lecture-working-with-strings-in-javascript/673263e80dd43da7df3ae565.md b/curriculum/challenges/english/25-front-end-development/lecture-working-with-strings-in-javascript/673263e80dd43da7df3ae565.md
index 9999634949a..4aa306a97c1 100644
--- a/curriculum/challenges/english/25-front-end-development/lecture-working-with-strings-in-javascript/673263e80dd43da7df3ae565.md
+++ b/curriculum/challenges/english/25-front-end-development/lecture-working-with-strings-in-javascript/673263e80dd43da7df3ae565.md
@@ -2,7 +2,7 @@
 id: 673263e80dd43da7df3ae565
 title: How Can You Find the Position of a Substring in a String?
 challengeType: 11
-videoId: k2QaBPHl_00
+videoId: tTm8t9inci8
 dashedName: how-can-you-find-the-position-of-a-substring-in-a-string
 ---